Kosta Kratom: California’s Exclusive Kratom Wholesaler

April 15, 2020 Articles, Kratom Capsules, Kratom Products, Kratom Research, Kratom Reviews, Kratom Strains, Kratom Tea, Kratom Vendors

You’ve heard the same old song and dance from every single kratom vendor around—they’ve got the “highest quality,” the “lowest prices” and their strains are the “best” in the biz. Obviously this is little more than a fundamental marketing tool…at least for some.

Other brands put their money where their mouth is. Instead of simply bragging about their product being the best, they invest in making it the best. Kosta Kratom appears to be one such brand.

Where other companies claim to send their kratom out for third party lab testing, Kosta Kratom actually publishes their lab results to the About Us page of their website. This is just one of the ways in which they have proven their worth.


Kosta Kratom is a U.S.-based supplier operating out of Orange, CA. This West coast vendor independently tests each batch of their Mitragyna speciosa powder before they bring it to market. Each of their strains is backed by a 100% satisfaction guarantee.

All of their plant matter is ethically sourced from South East Asian farmers, each of whom is adept at harvesting mature OG (old grown) trees with highly concentrated veins.


This seller currently stocks the following strains: Kosta Kratom Borneo White Vein, Kosta Kratom Malay Green Vein and, of course, Red Vein Bali.

Of the three, Kosta Kratom Bali is probably the strongest. At least in my book, and that’s saying something since I generally prefer Green Malay over anything in the red vein family. This Red Bali is extremely restorative and soothing.

The icing on the cake is how long an ounce will last you (the ideal dosage for most users is a mere one or two grams). I ordered four ounces back in February and I still have more than two ounces left after brewing multiple cups of mitra tea.

More seasoned users will likely 3.5 to four grams to be their sweet spot, as anything over 4.5 is a bit too much. The higher the dosage, the more drowsy I became after taking it. I definitely wouldn’t advise any user, seasoned or otherwise, to dose more than once a day with this one as the likelihood of lethargy developing is very high.

Their White Borneo may just prove to be my favorite white vein kratom strain of 2020. It’s fire for those who like to brew before work, delivering as it does a heady balance of clarity, enthusiasm and self-assurance. After brewing 5.5 grams I burned through work at a rapid pace without being plagued by the usual typos and omissions so many of us are guilty of.

On the downside, the average moderate dose of their Borneo White Vein is 7 grams, so don’t expect a small portion to last you very long. On the positive tip, you can score a decent amount if you order it in powder form.

I’m not crazy about their Malay Green Vein, but that has less to do with their stuff and more to do with the Super Green Malay I’ve grown accustomed to. As it stands, their Malaysian strain is mild but surprisingly long-lasting, making it a solid choice for noobs who want to try something new.


Each of their four strains are available in both powder and capsule form. Their capsules come in 25 count, 50 count, 100 count and 250 count bottles. Each cap contains finely ground M. speciosa powder which has been repeatedly sifted and micronized for a smooth taste and mellow aroma.


Maeng Da is undoubtedly the most popular strain of Mitragyna speciosa on the market. Not only is it known for being one of the most potent forms of kratom available, it is also the one with the most protracted duration.

Unlike other teas that take as long as 25-30 minutes to kick in, Maeng Da usually takes effect within five or 10 minutes. The average user will be able to enjoy MD’s aroma for up to or in excess of five hours.

This one is invigorating, sharp and exhilarating, delivering a clean boost and an extensive sense of well-being. More importantly, it didn’t give me the nausea or jitters I’ve gotten from other MD leaf. The taste and smell is pleasant and never overpowering.


Kosta Kratom reviews have been few and far between. Although they’ve been around since 2007, this supplier has only recently begun catering to online buyers. As such, KK hasn’t had much opportunity to attract attention from bloggers and the like.

Kosta Kratom Reddit reviews appear to be all but non-existent at this time. This is unfortunate for the discerning consumer who wishes to research the company and see what consumers have to say about their brand.

What we do know is that they are committed to excellence and welcome customer feedback. They also believe in quality so strongly that they are willing to refund your money if you are not happy with their leaf.

However, smoke shop consumers have offered some high praise, calling Kosta Kratom a master at wholesale speciosa. One user I talked to at my local headshop said, “I’ve heard they are an industry leader which makes sense considering how powerful their strains are.”


  • Quality leaf
  • Solid strains
  • Lab tested batches
  • Money back guarantee
  • Accessibility


  • Limited variety
  • Lacks consumer reputation
  • Limited payment methods
  • Members Log-in Only


While I can certainly attest to the value of their strains, I must admit that this vendor leaves something to be desired in terms of their online store. The exclusivity of their Pricing page leads one to believe that they are retailer-friendly only. This ostracizes a large portion of the kratom community.

Before picking up Kosta Kratom at your local shop, be sure to do some research of your own. See what people are saying in your online kratom forums. Be safe, be smart and be well.

Bob Freville
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